Home / 1,313,635.32-1,970,511.57-402,752.25

Finding the Fourth Proportional to 1,313,635.32, 1,970,511.57 and 402,752.25

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Solution

The fourth proportional to 1,313,635.32, 1,970,511.57 and 402,752.25 is: 604,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,635.32 : 1,970,511.57 = 402,752.25 : x
  2. Step 2: Convert to fraction form
    1,313,635.32/1,970,511.57 = 402,752.25/x
  3. Step 3: Cross multiply
    1,313,635.32x = 1,970,511.57 × 402,752.25
  4. Step 4: Simplify right side
    1,313,635.32x = 793,627,968,468.53
  5. Step 5: Solve for x
    x = 793,627,968,468.53/1,313,635.32
  6. Step 6: Final answer
    x = 604,146.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.